How severe is CVE-2014-1858?

CVE-2014-1858 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2014-1858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1858?

CVE-2014-1858 affects Numpy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-1858?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-1858 published?

CVE-2014-1858 was published on 2018-01-08 and last updated on 2026-06-17.

CVE-2014-1858

CVE-2014-1858 is a medium-severity vulnerability in Numpy with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Numpy
Published: 2018-01-08
Last modified: 2026-06-17

Description

__init__.py in f2py in NumPy before 1.8.1 allows local users to write to arbitrary files via a symlink attack on a temporary file.

Frequently asked questions

What is CVE-2014-1858?: __init__.py in f2py in NumPy before 1.8.1 allows local users to write to arbitrary files via a symlink attack on a temporary file.
How severe is CVE-2014-1858?: CVE-2014-1858 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2014-1858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1858?: CVE-2014-1858 affects Numpy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-1858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-1858 published?: CVE-2014-1858 was published on 2018-01-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:numpy:numpy:*:*:*:*:*:*:*:*

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